Ep 8. The Great Brain Robbery

In Justice League season 5 episode 8, titled "The Great Brain Robbery," a group of supervillains from the Legion of Doom, including Lex Luthor, Gorilla Grodd, and The Joker, attempt to steal the powerful sorcerer Felix Faust's magical artifact, the Philosopher's Stone. However, things quickly go awry when a young teen hero named Jimmy Olsen inadvertently intercepts the device and is accidentally transformed into the villainous criminal mastermind, The Trickster.

With time ticking away before Jimmy's transformation becomes permanent, the Justice League teams up with The Trickster in a madcap heist to break into the Legion's headquarters and steal back the Philosopher's Stone. Along the way, there are plenty of laughs, action-packed fight scenes, and a surprise twist ending that will leave fans on the edge of their seats.

The episode also explores the theme of identity and how one's perception of themselves can be changed in an instant, as Jimmy grapples with the surreal experience of becoming someone he's not. Meanwhile, Lex Luthor struggles to keep his team of villains united as the temptation of ultimate power threatens to tear them apart.

Overall, "The Great Brain Robbery" is a thrilling and hilarious adventure that showcases the unique personalities and powers of the Justice League members and their foes, while also providing a thoughtful exploration of what it means to be true to oneself.